Yamaha WR tech info
Yamaha WR description
2014 Yamaha WR450F, 2014 Yamaha WR450F YZ250F STYLE CHASSIS + 450 FI ENGINE = PERFECTION The WR450F features a powerful and reliable, high-revving, five-titanium-valve engine with fuel injection, YZ250F-bred advance aluminium frame, latest generation YZ forks and shocks, and slim bodywork provides awsome light weight handling and open-class power Key Features A YZ-bred advanced aluminum frame carefully engineered from castings, forgings and extrusions enhances handling while retaining legendary Yamaha feel and characteristics. Highly evolved five-titanium-valved engine starts with the push of a button. Highly functional digital enduro computer offers speedometer, clock, tripmeter, etc., in basic mode or pace management functions such as timer, distance-compensating tripmeter, average speed, etc., when switched to race mode. The WR450F is green sticker approved for California. Engine 449cc liquid-cooled DOHC four-stroke with five titanium valves delivers more broad power than ever, with high over-rev capacity and crisp, linear throttle response. Fuel injection system delivers quick throttle response and smooth power delivery at nearly all altitudes and temperatures. Special crank balance factor and AC generator provide super-smooth running. A piston oil-jet provides increased cooling for long life. Dry-sump lubrication system carries the oil reservoir inside the engine cases, for excellent mass centralization and simplified plumbing. Digital TCI ignition system delivers precise spark and monitors engine speed to provide optimal timing for fast, strong response during hard acceleration. Large-capacity radiators with reinforcements provide maximum cooling efficiency with great strength. Wide-ratio five-speed transmission uses strengthened gears and YZ450F-spec multiplate clutch good for quick-hitting power in the woods, as well as eye-opening top-end power. Lightweight exhaust system maximizes engine power. Aluminum muffler with USFS-approved spark arrestor looks trick and keeps things light. Works-style clutch lever features oversize barrel adjuster for easy, on-the-fly adjustability of lever/cable play. Electric start provides easy restarts. Chassis / Suspension YZ250F-inspired frame makes for a compact size while optimizing mass centralization. With its extensively tested assembly of aluminum forgings and extrusions, the WR frame retains legendary Yamaha handling and response. Compact YZ250F-based chassis provides a lightweight feeling with plush suspension performance for the most demanding rider. Removable aluminum rear subframe is constructed of square-section tube. Fully adjustable YZ-based KYB air/oil-separate 48mm cartridge-type fork delivers precise, fade-free handling; fork protectors provide excellent tube protectio
Yamaha WR for Sale
- 2013 yamaha wr250f ($6,990)
- 2013 yamaha wr250f ($6,990)
- 2013 yamaha wr250r ($6,690)
- 2013 yamaha wr250f ($6,145)
- 2013 yamaha wr250r ($5,999)
- 2013 yamaha wr250 r (US $)
Moto blog
Are Motorcycles Safer With Antilock Brakes?
Tue, 30 Dec 2008A new report says riders with ABS-equipped bikes can dramatically reduce the chance of a fatal accident. The study compared fatality rates among riders on bikes that have antilock brakes, and it found that death rates were 38% lower on motorcycles equipped with the optional ABS systems compared to non-ABS bikes. In 2005-2006, the fatal crashes per 10,000 registered motorcycles without antilock brakes was 6.6.
Ride Laguna Seca with King Kenny Roberts and Steady Eddie Lawson
Wed, 25 May 2011Kenny Roberts and Eddie Lawson will join up to 200 fans in riding Laguna Seca July 22 during the U.S. Grand Prix. Fans purchasing a special weekend ticket promotional package from Mazda Raceway Laguna Seca will have opportunity to ride several laps with the two former World Champions.
EICMA 2011 Preview: 2012 Yamaha TMax – Scooterus Maximus [Video]
Tue, 18 Oct 2011The 2011 EICMA show in Milan is just a few weeks away and from what we’ve seen from the manufacturers so far, it looks like the prevailing theme this year is the maxi-scooter. Honda will present its 700cc dual clutch transmission Integra scooter at EICMA, BMW announced it will unveil two new maxi-scooters in Milan, and Aprilia is rebadging an 850cc V-Twin Gilera scooter as the SRV 850. And now Yamaha is jumping into the fray with an update to its popular TMax.
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